Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,564
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     194,096
Calibration 2     191,356
Calibration 3     191,260
ssj_ops@calibrated=191,308
100% 100.1% 191,308 191,564
90% 89.6% 172,177 171,431
80% 79.8% 153,047 152,673
70% 69.8% 133,916 133,485
60% 60.7% 114,785 116,160
50% 50.1% 95,654 95,817
40% 39.7% 76,523 75,969
30% 30.2% 57,392 57,805
20% 20.1% 38,262 38,441
10% 10.1% 19,131 19,259
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,118,315 1,494
Payment 14,118,317
Order Status 1,411,832
Delivery 1,411,830
Stock Level 1,411,832
Customer Report 14,118,315
Calibration 2 New Order 13,917,615 1,494
Payment 13,917,614
Order Status 1,391,762
Delivery 1,391,761
Stock Level 1,391,761
Customer Report 13,917,611
Calibration 3 New Order 13,911,725 1,494
Payment 13,911,728
Order Status 1,391,172
Delivery 1,391,173
Stock Level 1,391,172
Customer Report 13,911,725
100% 100.1% New Order 13,932,731 1,494
Payment 13,932,736
Order Status 1,393,275
Delivery 1,393,274
Stock Level 1,393,274
Customer Report 13,932,737
90% 89.6% New Order 12,468,275 1,494
Payment 12,468,273
Order Status 1,246,828
Delivery 1,246,826
Stock Level 1,246,828
Customer Report 12,468,279
80% 79.8% New Order 11,103,703 1,494
Payment 11,103,702
Order Status 1,110,370
Delivery 1,110,370
Stock Level 1,110,372
Customer Report 11,103,709
70% 69.8% New Order 9,708,376 1,494
Payment 9,708,377
Order Status 970,839
Delivery 970,837
Stock Level 970,837
Customer Report 9,708,375
60% 60.7% New Order 8,448,198 1,494
Payment 8,448,195
Order Status 844,820
Delivery 844,820
Stock Level 844,820
Customer Report 8,448,194
50% 50.1% New Order 6,968,513 1,494
Payment 6,968,514
Order Status 696,852
Delivery 696,853
Stock Level 696,850
Customer Report 6,968,517
40% 39.7% New Order 5,525,201 1,494
Payment 5,525,203
Order Status 552,520
Delivery 552,519
Stock Level 552,521
Customer Report 5,525,194
30% 30.2% New Order 4,204,221 1,494
Payment 4,204,222
Order Status 420,422
Delivery 420,422
Stock Level 420,421
Customer Report 4,204,221
20% 20.1% New Order 2,795,895 1,494
Payment 2,795,899
Order Status 279,590
Delivery 279,589
Stock Level 279,589
Customer Report 2,795,892
10% 10.1% New Order 1,400,699 1,494
Payment 1,400,698
Order Status 140,069
Delivery 140,071
Stock Level 140,070
Customer Report 1,400,690
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0